package hw4;

public class Hw4 {

	/*public Test() {
		System.out.println("c init");
	} */

	public String Add(String a, String b) {
		return a+b;
	}

	public int Length(String a) {

		return a.length();
	}

	public  String Replace(String a, String b) {
		return  a.replace(b,a);
		 
	
	}
}